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Citation: HOU Lin-Rui, YUAN Chang-Zhou, PENG Yang. Preparation and Photocatalytic Activity of Ag-TiO₂/ZnO/γ-Fesub>2Osub>3 Magnetic Photocatalyst[J]. Chinese Journal of Applied Chemistry, ;2006, 23(11): 1278-1281. shu

Preparation and Photocatalytic Activity of Ag-TiO₂/ZnO/γ-Fesub>2Osub>3 Magnetic Photocatalyst

1.
Institute of Applied Chemistry, Xinjiang University, Urumqi 830046

Corresponding author: PENG Yang,
Received Date: 14 December 2005
Available Online: 16 April 2006

Magnetic photocatalyst(Ag-TiO₂/ZnO/γ-Fe₂O₃) was prepared by photoreducing Ag(Ⅰ)-EDTA to Ag metal on TiO₂ surface with magnetite ZnO/γ-Fe₂O₃ as a matrix.The photocatalysts were characterized by means of XRD,EDX and TEM,respectively.The photocatalysis of the catalyst was tested with methylene blue as decomposition substance.The influence of the presence of ZnO and Ag content on the photocatalytic activity was investigated.The results show that 0.5%(mass fraction)Ag-TiO₂/ZnO/γFe₂Osub>3 (14:3:3) had the highest photocatalytic activity and its photocatalytic activity remained good even after three cycles.
- magnetic photocatalyst,
- Ag-TiO₂/ZnO/γ-Fe₂O₃,
- methylene blue,
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Preparation and Photocatalytic Activity of Ag-TiO2/ZnO/γ-Fesub>2Osub>3 Magnetic Photocatalyst

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Preparation and Photocatalytic Activity of Ag-TiO₂/ZnO/γ-Fesub>2Osub>3 Magnetic Photocatalyst